STM32F302xx/STM32F303xx
Electrical characteristics
2
Table 62. I S characteristics (continued)
Symbol
Parameter
Conditions
Min
Max
Unit
(1)
tsu(SD_MR)
tsu(SD_SR)
Data input setup time
Data input setup time
Master receiver
Slave receiver
Master receiver
Slave receiver
9
2
0
0
(1)
(1)
th(SD_MR)
Data input hold time
(1)
th(SD_SR)
Slave transmitter
(after enable edge)
(1)
tv(SD_ST)
th(SD_ST)
tv(SD_MT)
th(SD_MT)
Data output valid time
Data output hold time
Data output valid time
Data output hold time
29
3
ns
Slave transmitter
(after enable edge)
(1)
(1)
(1)
12
2
Master transmitter
(after enable edge)
Master transmitter
(after enable edge)
1. Data based on characterization results, not tested in production.
2
(1)
Figure 29. I S slave timing diagram (Philips protocol)
t
c(CK)
CPOL = 0
CPOL = 1
t
t
t
w(CKL)
h(WS)
w(CKH)
WS input
t
t
t
h(SD_ST)
t
v(SD_ST)
su(WS)
SD
transmit
(2)
LSB transmit
MSB transmit
MSB receive
Bitn transmit
LSB transmit
t
su(SD_SR)
h(SD_SR)
(2)
LSB receive
Bitn receive
LSB receive
SD
receive
ai14881b
1. Measurement points are done at 0.5VDD and with external CL=30 pF
2. LSB transmit/receive of the previously transmitted byte. No LSB transmit/receive is sent before the first
byte.
Doc ID 023353 Rev 5
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STMICROELECTRONICS [ ST ]
